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A few days ago, Harvard Medical School was working on a synthetic biology project in which researchers tried to use bacteria to convert carbon dioxide (CO2) into more useful compounds for use in 3D printing , injection molding, and other types of industrial processing. This means that the amount of carbon dioxide in the atmosphere is reduced, thereby mitigating global warming.
Harvard Medical School is working on a synthetic biology project involving the use of bacteria to convert carbon dioxide (CO2) into more useful compounds, such as plastics. This innovative approach, still in its early stages, can be used one day or on Mars, where the atmosphere is mainly composed of carbon dioxide, to produce 3D printed building materials. It will also have a major impact on the planet.
The researchers explained how they converted a bacterium called R. bacillus into a usable polymer compound. “This bacteria can actually fill its own cells with about 80% of this polymer, but it is not an ideal industrial processing material. So we want to use metabolic engineering techniques to adjust the material properties of this polymer. In order to use it for 3D printing, injection molding and other types of industrial processing," the researchers said.
Using the same principle (using bacteria to convert CO2 into a compound), a researcher in the project is working with a team from SilverLab to develop a “bionic leaf†to combat global warming. In short, the bionic leaf system uses solar energy to break down water molecules (H2O) into oxygen and hydrogen. When bacteria are introduced into the system, it consumes hydrogen and uses it as an energy source to convert carbon dioxide in the air into different types of molecules. This process is similar to photosynthesis, but much more efficient. The system is capable of eliminating 180 grams of carbon dioxide from 230,000 liters of air per kilowatt hour of energy used.
Ultimately, the researchers' goal is to use this bacterial transformation method to turn carbon dioxide into a usable bioplastic. On Earth, this means that the amount of carbon dioxide in the atmosphere is reduced, thereby mitigating global warming; on Mars, this means using building materials that are rich in carbon dioxide to produce building materials in situ.
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